Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
185940 (2000 WU142)
Classification: Main-belt Asteroid          SPK-ID: 2185940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2696734925802191 5.8483e-08  
a 3.066626279100248 2.4652e-08 au
q 2.239638459977002 1.725e-07 au
i 20.83177011510301 6.8127e-06 deg
node 201.3426336771465 1.5358e-05 deg
peri 235.390939177338 1.7771e-05 deg
M 227.0372593125205 1.0446e-05 deg
tp 2459724.964591477603
(2022-May-25.46459148)
6.111e-05 TDB
period 1961.506295548978
5.37
2.3652e-05
6.476e-08
d
yr
n .183532421393144 2.2131e-09 deg/d
Q 3.893614098223493 3.13e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6841 days (18.73 yr)  
   first obs. used      2000-10-06  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:12:12  

Additional Information
 Earth MOID = 1.31509 au 
 Jupiter MOID = 1.799 au 
 T_jup = 3.079 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO475566  
diameter diameter 5.319 km 0.463 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185940 (2000 WU142)          Discovered 2000-Nov-20 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-26 13:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin